Lewis e



(No Model) L. E. LEMEN.

NUT LOOK.

No. 350,143. Patented Oct. 5, 1886.

$24 (/wnvroa flu ATTOR/VEVG,

WITNESSES:

UNITED STATES PATENT OFFICE.

TJFAVTS Fl. LEMEX, OF DENVEP, COLORADO.

NUT-

LOCK.

SPECIFICATION forming part of Letters Patent No. 350,143, dated October 5, 1886.

Application filed June 2-1, 1886.

Serial No. 206,142. (No model.)

To all 211710722 it In/(1 y concern:

Be it known that I. LEWIS E. Lanna, a citiaen ot' the United States, residing at Denver, in the county of Arapahoe and State 01' C010- rado, haveinvented a new and useful Improve merit in Nut-Locks, of which the following is a specification, retm'ence being bad therein to the accompanying drawings, in which similar letters refer to corresponding parts.

Myinvention relates to im 'n'ovementsin nutlocks; and the object of my improvement is to provide a nut lock especially adapted for locking the nuts used to secure the fish-plate torming railroad-rail joints, but may be used as well for locking nuts in other positions, as

hereinafter fully described and set forth.

In the drawings, Figure 1 is a top view of my improved unblock. Fig. 2 is a side elevation of my improved device, showing one of the wrenches upraised. Fig. 3 shows my nut-lock attached to a railiointand in position tor use. Fig. 4 is an end view of a rail-joint with my improved device attached. shows a spring-key used in connection with my improved device. Fig. ti is a cross section of the same.

My invention consists of the plate '0, provided with the openings (1 (1 amt (6 (I2, as shown in Fig. 1, This figure shows a lock prepared tor seen ring [on r nuts, but may be constructed for more or less nuts, as may be desired. At each end of plate (1 is hinged a wrench, b, secured in socket b by a suitable rivet, but at lowed to move freely on said rivet, as shown in Fig. 2. When in position tornse, shown in Figs. 1 and 3, the wrenches b are held fast in said position and in contactwith plate a by means of the socket c and the spring-keys (l. The construction of keys (2 is shown in Figs. 5 and 6.

Fig. 5

Sockets 0 are fashioned to receive j arms b of wrenches Z), and also keys d, which pass through said sockets and said arms, and securely hold said wrenches in place when the l lock is in use. Each socket 1' consists of two f lugs integral with plate a. i In the use of my improved device the same i is placed over the fish-plate on the side of the 5 joint where the nuts are placed which secure the necessary bolts. The two nuts nearer the center of the plate should be in posi ion on t the bolts when my lock is placed upon the i fish-plate. These nuts are secured within the square or rectangular opening (r m, and securely locked by means of the flanges c, formed on two opposite sides ot said opening. \Ve i will now suppose the keys (I to be removed from the socket c, and that the wrenches are raised up from plat c (I to any desired position, as at'oresaid. The two outer nuts which secure the bolts received within the openings (1 are then placed in position, being in contact with plate (1, so as toholditsccurelyagainst the fishplate. The wrenches I) are then dropped over these nuts, the spring keys (6 placed within socket: c, and my improved nut-lock is in posi tion for use.

Having thus described my invention, what i claim, and desire to secure by Letters Patent,

In a nut look, a plate provided with one or more square or rectangular openings with flanges on two opposite sides, said openings beinp suitable for the reception of nuts, and provided with one ormore openings, (1, tor the 1 reception. of bolts, said plates being also pro 1 vided with one or more hinged or movable wrenches, b, which may be dropped down over the nut or nuts after the nuts are placed in position, said wrenches beingheldin position, when in use, by means of suitable sockets, in t which are placed spring-keys, substantially as 1 described. 

